Add pm_qos_remove() hack for older kernels in snd_pcm_release_substream()

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 48 insertions, 27 deletions

diff --git a/acore/pcm_native.patch b/acore/pcm_native.patch
index 5c0b2a8e6..63d8ccf70 100644
--- a/acore/pcm_native.patch
+++ b/acore/pcm_native.patch
@@ -1,5 +1,5 @@
---- ../alsa-kernel/core/pcm_native.c	2010-08-09 14:25:42.000000000 +0200
-+++ pcm_native.c	2010-08-09 15:01:13.000000000 +0200
+--- ../alsa-kernel/core/pcm_native.c	2010-09-16 23:10:16.996220991 +0200
++++ pcm_native.c	2010-09-17 12:23:15.092424934 +0200
 @@ -1,3 +1,5 @@
 +#define __NO_VERSION__
 +#include "adriver.h"
@@ -17,7 +17,7 @@
  #include <linux/time.h>
  #include <linux/pm_qos_params.h>
  #include <linux/uio.h>
-@@ -369,7 +371,10 @@ static int period_to_usecs(struct snd_pc
+@@ -369,7 +371,10 @@
  	return usecs;
  }
  
@@ -29,7 +29,7 @@
  			     struct snd_pcm_hw_params *params)
  {
  	struct snd_pcm_runtime *runtime;
-@@ -451,11 +456,29 @@ static int snd_pcm_hw_params(struct snd_
+@@ -451,11 +456,29 @@
  	snd_pcm_timer_resolution_change(substream);
  	runtime->status->state = SNDRV_PCM_STATE_SETUP;
  
@@ -59,7 +59,7 @@
  	return 0;
   _error:
  	/* hardware might be unuseable from this time,
-@@ -510,7 +533,17 @@ static int snd_pcm_hw_free(struct snd_pc
+@@ -510,7 +533,17 @@
  	if (substream->ops->hw_free)
  		result = substream->ops->hw_free(substream);
  	runtime->status->state = SNDRV_PCM_STATE_OPEN;
@@ -77,7 +77,7 @@
  	return result;
  }
  
-@@ -1546,7 +1579,11 @@ static struct file *snd_pcm_file_fd(int
+@@ -1552,7 +1585,11 @@
  	file = fget(fd);
  	if (!file)
  		return NULL;
@@ -89,7 +89,28 @@
  	if (!S_ISCHR(inode->i_mode) ||
  	    imajor(inode) != snd_major) {
  		fput(file);
-@@ -2803,25 +2840,50 @@ static ssize_t snd_pcm_write(struct file
+@@ -1994,8 +2031,20 @@
+ 		substream->ops->close(substream);
+ 		substream->hw_opened = 0;
+ 	}
++#ifdef CONFIG_SND_HAVE_PM_QOS_REQUEST
++#ifdef CONFIG_SND_HAVE_PM_QOS_REQUEST_STATIC
+ 	if (pm_qos_request_active(&substream->latency_pm_qos_req))
+ 		pm_qos_remove_request(&substream->latency_pm_qos_req);
++#else
++	if (substream->latency_pm_qos_req) {
++		pm_qos_remove_request(substream->latency_pm_qos_req);
++		substream->latency_pm_qos_req = NULL;
++	}
++#endif
++#else
++	pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY,
++				  substream->latency_id);
++#endif
+ 	if (substream->pcm_release) {
+ 		substream->pcm_release(substream);
+ 		substream->pcm_release = NULL;
+@@ -2811,25 +2860,50 @@
  	struct snd_pcm_runtime *runtime;
  	snd_pcm_sframes_t result;
  
@@ -147,7 +168,7 @@
  {
  	struct snd_pcm_file *pcm_file;
  	struct snd_pcm_substream *substream;
-@@ -2831,7 +2893,11 @@ static ssize_t snd_pcm_aio_read(struct k
+@@ -2839,7 +2913,11 @@
  	void __user **bufs;
  	snd_pcm_uframes_t frames;
  
@@ -159,7 +180,7 @@
  	substream = pcm_file->substream;
  	if (PCM_RUNTIME_CHECK(substream))
  		return -ENXIO;
-@@ -2855,8 +2921,13 @@ static ssize_t snd_pcm_aio_read(struct k
+@@ -2863,8 +2941,13 @@
  	return result;
  }
  
@@ -173,7 +194,7 @@
  {
  	struct snd_pcm_file *pcm_file;
  	struct snd_pcm_substream *substream;
-@@ -2866,7 +2937,11 @@ static ssize_t snd_pcm_aio_write(struct
+@@ -2874,7 +2957,11 @@
  	void __user **bufs;
  	snd_pcm_uframes_t frames;
  
@@ -185,7 +206,7 @@
  	substream = pcm_file->substream;
  	if (PCM_RUNTIME_CHECK(substream))
  		return -ENXIO;
-@@ -2888,6 +2963,7 @@ static ssize_t snd_pcm_aio_write(struct
+@@ -2896,6 +2983,7 @@
  	kfree(bufs);
  	return result;
  }
@@ -193,7 +214,7 @@
  
  static unsigned int snd_pcm_playback_poll(struct file *file, poll_table * wait)
  {
-@@ -2975,6 +3051,22 @@ static unsigned int snd_pcm_capture_poll
+@@ -2983,6 +3071,22 @@
   * mmap support
   */
  
@@ -216,7 +237,7 @@
  /*
   * Only on coherent architectures, we can mmap the status and the control records
   * for effcient data transfer.  On others, we have to use HWSYNC ioctl...
-@@ -2983,6 +3075,7 @@ static unsigned int snd_pcm_capture_poll
+@@ -2991,6 +3095,7 @@
  /*
   * mmap status record
   */
@@ -224,7 +245,7 @@
  static int snd_pcm_mmap_status_fault(struct vm_area_struct *area,
  						struct vm_fault *vmf)
  {
-@@ -2996,10 +3089,49 @@ static int snd_pcm_mmap_status_fault(str
+@@ -3004,10 +3109,49 @@
  	get_page(vmf->page);
  	return 0;
  }
@@ -274,7 +295,7 @@
  };
  
  static int snd_pcm_mmap_status(struct snd_pcm_substream *substream, struct file *file,
-@@ -3014,7 +3146,11 @@ static int snd_pcm_mmap_status(struct sn
+@@ -3022,7 +3166,11 @@
  	if (size != PAGE_ALIGN(sizeof(struct snd_pcm_mmap_status)))
  		return -EINVAL;
  	area->vm_ops = &snd_pcm_vm_ops_status;
@@ -286,7 +307,7 @@
  	area->vm_flags |= VM_RESERVED;
  	return 0;
  }
-@@ -3022,6 +3158,7 @@ static int snd_pcm_mmap_status(struct sn
+@@ -3030,6 +3178,7 @@
  /*
   * mmap control record
   */
@@ -294,7 +315,7 @@
  static int snd_pcm_mmap_control_fault(struct vm_area_struct *area,
  						struct vm_fault *vmf)
  {
-@@ -3035,10 +3172,50 @@ static int snd_pcm_mmap_control_fault(st
+@@ -3043,10 +3192,50 @@
  	get_page(vmf->page);
  	return 0;
  }
@@ -345,7 +366,7 @@
  };
  
  static int snd_pcm_mmap_control(struct snd_pcm_substream *substream, struct file *file,
-@@ -3053,7 +3230,11 @@ static int snd_pcm_mmap_control(struct s
+@@ -3061,7 +3250,11 @@
  	if (size != PAGE_ALIGN(sizeof(struct snd_pcm_mmap_control)))
  		return -EINVAL;
  	area->vm_ops = &snd_pcm_vm_ops_control;
@@ -357,7 +378,7 @@
  	area->vm_flags |= VM_RESERVED;
  	return 0;
  }
-@@ -3094,9 +3275,16 @@ snd_pcm_default_page_ops(struct snd_pcm_
+@@ -3102,9 +3295,16 @@
  	return virt_to_page(vaddr);
  }
  
@@ -374,7 +395,7 @@
  static int snd_pcm_mmap_data_fault(struct vm_area_struct *area,
  						struct vm_fault *vmf)
  {
-@@ -3123,6 +3311,59 @@ static int snd_pcm_mmap_data_fault(struc
+@@ -3131,6 +3331,59 @@
  	vmf->page = page;
  	return 0;
  }
@@ -434,7 +455,7 @@
  
  static const struct vm_operations_struct snd_pcm_vm_ops_data = {
  	.open =		snd_pcm_mmap_data_open,
-@@ -3132,7 +3373,14 @@ static const struct vm_operations_struct
+@@ -3140,7 +3393,14 @@
  static const struct vm_operations_struct snd_pcm_vm_ops_data_fault = {
  	.open =		snd_pcm_mmap_data_open,
  	.close =	snd_pcm_mmap_data_close,
@@ -449,7 +470,7 @@
  };
  
  #ifndef ARCH_HAS_DMA_MMAP_COHERENT
-@@ -3180,11 +3428,26 @@ int snd_pcm_lib_mmap_iomem(struct snd_pc
+@@ -3188,11 +3448,26 @@
  	area->vm_page_prot = pgprot_noncached(area->vm_page_prot);
  	area->vm_flags |= VM_IO;
  	size = area->vm_end - area->vm_start;
@@ -477,7 +498,7 @@
  	return 0;
  }
  
-@@ -3228,7 +3491,7 @@ int snd_pcm_mmap_data(struct snd_pcm_sub
+@@ -3236,7 +3511,7 @@
  	    runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED)
  		return -EINVAL;
  	size = area->vm_end - area->vm_start;
@@ -486,7 +507,7 @@
  	dma_bytes = PAGE_ALIGN(runtime->dma_bytes);
  	if ((size_t)size > dma_bytes)
  		return -EINVAL;
-@@ -3236,7 +3499,11 @@ int snd_pcm_mmap_data(struct snd_pcm_sub
+@@ -3244,7 +3519,11 @@
  		return -EINVAL;
  
  	area->vm_ops = &snd_pcm_vm_ops_data;
@@ -498,7 +519,7 @@
  	if (substream->ops->mmap)
  		err = substream->ops->mmap(substream, area);
  	else
-@@ -3259,7 +3526,7 @@ static int snd_pcm_mmap(struct file *fil
+@@ -3267,7 +3546,7 @@
  	if (PCM_RUNTIME_CHECK(substream))
  		return -ENXIO;
  
@@ -507,7 +528,7 @@
  	switch (offset) {
  	case SNDRV_PCM_MMAP_OFFSET_STATUS:
  		if (pcm_file->no_compat_mmap)
-@@ -3292,12 +3559,34 @@ static int snd_pcm_fasync(int fd, struct
+@@ -3300,12 +3579,34 @@
  /*
   * ioctl32 compat
   */
@@ -543,7 +564,7 @@
  /*
   *  To be removed helpers to keep binary compatibility
   */
-@@ -3436,31 +3725,55 @@ static unsigned long snd_pcm_get_unmappe
+@@ -3444,31 +3745,55 @@
  
  const struct file_operations snd_pcm_f_ops[2] = {
  	{